Results 91 to 100 of about 24,187 (310)
Beak deformation in an Antarctic Cormorant Phalacrocorax [atriceps] bransfieldensis chick [PDF]
, 2004 Fil: Casaux, Ricardo Jorge. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina.
Casaux, Ricardo Jorge
core
Environmental Toxicology, EarlyView.ABSTRACT Pesticides and pharmaceuticals are among the most common chemical groups in waterbodies and soils, and their universal distribution raises concerns about potential adverse effects on nontarget organisms and humans. Reproductive output disruption is of particular concern, as it transposes effects from the individual to the next generations at ...
Fábio Campos +3 more
wiley +1 more source
Organic poultry and egg production in the Netherlands [PDF]
, 2011 There are over 1 million organic laying hens in the Netherlands. Organic eggs are in high demand on the domestic market. Dutch organic poultry meat has a small but growing market share.
Bestman, Monique
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Wildlife Biology, EarlyView.Multiple management strategies exist to combat bird damage to agriculture. We explored combining two tools, drones as frightening devices and an avian repellent, to assess effectiveness of an integrated method to deter large flocks on complex landscapes. We evaluated the ability of a spraying drone (DJI Agras MG‐1P) deploying Avian Control (i.e. active
Jessica L. Duttenhefner +2 more
wiley +1 more source
HAEMATOLOGICAL VALUES AND PLASMA CHOLESTEROL AS AFFECTED BY MOULTING IN NICK CHICK LAYING HENS
Pakistan Veterinary Journal, 2001 This study was conducted to examine effect of moulting on haematological values and plasma cholesterol levels of 86 weeks old Nick Chick laying hens. Washington and California moulting methods were used.
Bashir Mahmood Bhatti and Tanzeela Talat
doaj
Wildlife Biology, EarlyView.We compared population trends for rock ptarmigan Lagopus muta densities (2003‒2019) derived from walked transects and driven road transects in Mosfellsheiði and Slétta in southwest and northeast Iceland, respectively. The walked transects were laid out according to a random rule.
Matteo Ferrarini, Ólafur K. Nielsen
wiley +1 more source
Status of the harbour seal Phoca vitulina in Finnmark, North Norway
Fauna Norvegica, 1994 Results from surveys, designed to assess the numbers of harbour seals Phoca vitulina at their breeding and moulting sites in Finnmark county, North Norway, in 1989 - 91, are presented.
Gunnar Henriksen, Tore Haug
doaj +1 more source
, 2018 A collection of creative texts written concurrently with the creation of the artist’s thesis exhibition. A range of written forms coexist - poetry, prose, and dialogue - to open up the narrative and emotional space of the visual work.
Loeppky-Kolesnik, Jordan
core +1 more source
Pattern of Post-Juvenile Moult in Common Snipe (Gallinago Gallinago) and Its Implications for Ageing of the Species [PDF]
, 2010 External ageing of Common Snipe (Gallinago gallinago) still engenders considerable problems. To improve precision of age determination on the basis of plumage characteristics a scheme of post-juvenile moult was investigated in approximately 1200 first ...
Janiszewski, Tomasz +3 more
core +2 more sources
Field test of assumptions for using line transect distance sampling on rock ptarmigan
Wildlife Biology, EarlyView.Reliable population estimates are essential for the management of harvested species. Line transect distance sampling using pointing dogs is an established survey method for willow ptarmigan and has also been proposed for the monitoring of rock ptarmigan.
Marius Kjønsberg +3 more
wiley +1 more source